public IActionResult GetTodoItems()
{
// Nhận Token rồi xét Token có trong Redis không.
string authHeader = HttpContext.Request.Headers["Authorization"];
string[] TokenArray = authHeader.Split(" ");
var llen = _database.ListLength("mylist");
var lindex = _database.ListGetByIndex("mylist", llen - 1);
object data = new object();
List <TodoItem> todoItem = new List <TodoItem>();
Connect kn = new Connect();
kn.kn_CSDL();
// Đọc JWT rồi convert để lấy roles
var stream = TokenArray[1];
var handler = new JwtSecurityTokenHandler();
var tokenS = handler.ReadToken(stream) as JwtSecurityToken;
var jsonPayload = tokenS.Payload.SerializeToJson();
Roles roles = new Roles();
roles = JsonConvert.DeserializeObject <Roles>(jsonPayload);
// Nếu Token có trong Redis
if (lindex == TokenArray[1])
{
// Nếu list Redis lớn hơn 2 thì xóa 1
if (llen >= 2)
{
_database.ListLeftPop("mylist");
}
todoItem = kn.knoi.Query <TodoItem>("GetAll",
commandType: CommandType.StoredProcedure).ToList();
// Tạo một Token mới
var tokenHandler = new JwtSecurityTokenHandler();
var key = Encoding.ASCII.GetBytes(_appSettings.Secret);
var tokenDescriptor = new SecurityTokenDescriptor
{
Subject = new ClaimsIdentity(new Claim[]
{
new Claim(ClaimTypes.Role, roles.Role),
}),
Expires = DateTime.UtcNow.AddDays(7),
SigningCredentials = new SigningCredentials(new SymmetricSecurityKey(key), SecurityAlgorithms.HmacSha256Signature)
};
var token = tokenHandler.CreateToken(tokenDescriptor);
string fullbearer = tokenHandler.WriteToken(token);
_database.ListRightPush("mylist", fullbearer);
// Trả về danh sách item + token mới
data = new
{
token = fullbearer,
todoitem = todoItem
};
}
return(Ok(data));
}
public void StoreList <T>(string key, List <T> values, int expiresIn = 200)
{
RedisValue[] list = new RedisValue[values.Count];
for (int i = 0; i < values.Count; i++)
{
string serializedString = JsonConvert.SerializeObject(values[i]);
list[i] = serializedString;
}
_cacheDatabase.ListRightPush(key, list);
}
public void ListRightPush(string key, string val)
{
_cache.ListRightPush(key, val);
}
/// <summary>
/// 在列表尾部插入值。如果键不存在，先创建再插入值
/// </summary>
/// <param name="redisKey"></param>
/// <param name="redisValue"></param>
/// <returns></returns>
public long ListRightPush(string redisKey, string redisValue)
{
redisKey = GetKeyForRedis(redisKey);
return(_database.ListRightPush(redisKey, redisValue));
}